History: Below is a listing of the Revisions and Changes made to this UFGS.
| KEY | PREPARING ACTIVITY (PA) | A Army | N Navy | F Air Force | S NASA [ARCHIVED] |
|---|---|---|---|---|---|
| ACTION | N New | R Revision | C Change | D Deletion |
| Release | PA | Date | Action | Change # | Nature of Change or Revision |
|---|---|---|---|---|---|
| Aug-2025 | A | Aug-2025 | R | Complete review and update. |
|
| Nov-2015 | A | Nov-2015 | R | UFGS refresh review and update. | |
| Aug-2015 | A | Nov-2009 | R | Nontechnical Title Revision (was Glass Masonry Units). Did not change Section date. | |
| Nov-2009 | A | Nov-2009 | R | Compliance with CSI SectionFormat |
